thinking of a build that would be good on bosses and trash

1 jab for bosses and so iron maiden doesnt affect really
20 psn jav
20 plague jav
20 strategy
20 perfection
20 valk or decoy

what you guys think?

Drop perfection and max disease spray, and go for decoy it'll be solid if
you get some form of active poison resist reduction.

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The returns of Perfection getting very worse later so I'd leave it at 1pt and max the 3 psn skills if u wanna go for a psn Java and I also wont max Strategy since u don't need to hit with the javelin to get the mobs poisoned.
So I've done my Java like this:

1 pt all passive skills
20 Decoy
20 Valk
20 Plague Javelin
20 Disease Spray
20 Psn Javelin

I just tanked the Bosses with Decoy and used Psn Javelin and Plague Javelin.